CN219245194U - Wear resistance detection device for leather production - Google Patents
Wear resistance detection device for leather production Download PDFInfo
- Publication number
- CN219245194U CN219245194U CN202320078473.8U CN202320078473U CN219245194U CN 219245194 U CN219245194 U CN 219245194U CN 202320078473 U CN202320078473 U CN 202320078473U CN 219245194 U CN219245194 U CN 219245194U
- Authority
- CN
- China
- Prior art keywords
- clamping
- test
- leather
- movable frame
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/30—Computing systems specially adapted for manufacturing
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses an abrasion resistance detection device for leather production, which comprises a workbench and is characterized in that: the workbench is provided with a movable frame, the movable frame is arranged on the workbench in a back-and-forth movement manner, the movable frame is provided with a test assembly, and the test assembly is arranged on the movable frame in a left-and-right movement manner through a second driving assembly, so that the workbench has the beneficial effects that: through having set up supporting component for leather can drive the lower extreme contact of test board and leather through starting the supporting cylinder when carrying out the wearability test, forms the support to the lower extreme of leather, prevents that leather from taking place the slope owing to not fine supporting component when carrying out the wearability test, has improved the detection precision of leather wearability, and the setting of first drive assembly and second drive assembly also makes things convenient for the test panel to remove, conveniently tests the different positions of leather.
Description
Technical Field
The utility model belongs to the technical field of detection equipment for leather production, and particularly relates to an abrasion resistance detection device for leather production.
Background
The leather is an animal skin which is obtained by physical and chemical processing such as dehairing and tanning and is not easy to rot, the leather is formed by closely weaving natural protein fibers in a three-dimensional space, the surface of the leather is provided with a special grain layer, the leather has natural grain and luster, the hand feeling is comfortable, in the process of human evolution, people find that juice or mineral oil of some plants has a certain tanning property on the leather, and the raw material skin has air permeability and corrosion resistance after being soaked by the juice, so that the board has physical and chemical properties such as softness, tear resistance, bending resistance and the like.
When leather is produced, various detection needs to be carried out on the leather, wherein the detection of the wear resistance is an important element for determining the use performance of the leather, but when the leather is detected by the existing wear-resistant leather detection device, a good supporting component is not arranged below the leather, so that the leather is easy to incline during detection, and the detection precision is reduced.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a wear resistance detection device for leather production, including the workstation, its characterized in that: the utility model discloses a leather testing device, including workstation, test board, back clamping assembly, supporting component, test board and test board are equipped with the frame that removes to the back and forth, remove to set up on the workstation, the frame that removes is equipped with on the workstation, remove to the back and forth, the frame that removes, remove to set up on the workstation, the frame that removes is equipped with the frame that removes, the back clamping assembly that removes to be equipped with in the workstation, the supporting component is located between clamping assembly before and the back clamping assembly, the supporting component is including the fixed supporting cylinder who sets up in the workstation, the piston rod fixedly connected with test board of supporting cylinder, the test tank has been link up to the workstation upper end, the test tank corresponds the setting with the test board.
As a further improvement of the utility model: the front clamping assembly comprises a clamping block and clamping plates which are movably arranged in the clamping block up and down, a clamping groove is formed in the clamping block, the clamping plates are located in the clamping groove, guide posts are fixedly arranged at the lower ends of the clamping plates, guide holes corresponding to the guide posts are formed in the clamping block, the clamping plates are movably arranged in the clamping block up and down through the cooperation of the guide posts and the guide holes, the guide holes are communicated with the clamping groove, the lower end face of the clamping plates is fixedly connected with the clamping block through springs, the springs are sleeved on the guide posts, screws are arranged at the lower ends of the clamping blocks, the screws are located on one sides of the guide posts, the screw ends of the screws are in abutting arrangement with the lower ends of the clamping plates, and the clamping blocks are connected with the workbench through the connecting assembly.
As a further improvement of the utility model: the connecting assembly comprises a fixing plate fixedly arranged at the lower end of the front side of the workbench, the fixing plate is L-shaped, a clamping cylinder is fixedly connected to a vertical plate of the fixing plate, and a piston rod of the clamping cylinder is fixedly connected with one side, far away from the clamping groove, of the clamping block.
As a further improvement of the utility model: the workbench is provided with a left groove and a right groove in a penetrating mode, the left groove and the right groove are located on the left side and the right side of the test groove, one end of the movable frame is located in the left groove, the other end of the movable frame is located in the right groove, and two ends of the movable frame are connected with the left groove and the right groove through first driving components which are identical in structure.
As a further improvement of the utility model: the first driving assembly comprises a first sliding column fixedly arranged in the left groove and a first screw rod rotatably arranged on the workbench, the movable frame is arranged on the first sliding column in a front-back sliding manner through a linear bearing, the first screw rod is in transmission arrangement with the movable frame, a first motor is fixedly arranged on the workbench, and an output shaft of the first motor is fixedly connected with one end of the first screw rod.
As a further improvement of the utility model: the second driving assembly comprises a second sliding column fixedly arranged in the movable frame and a second screw rod rotatably arranged in the movable frame, a driving sleeve which is sleeved on the second sliding column in a left-right sliding manner is arranged on the second sliding column, the driving sleeve is in transmission with the second screw rod, one end of the second screw rod extends out of the movable frame, one side of the movable frame is fixedly provided with a second motor, and an output shaft of the second motor is fixedly connected with one end of the second screw rod extending out of the movable frame.
As a further improvement of the utility model: the test assembly comprises a test cylinder and a test frame, wherein the test cylinder and the test frame are fixedly arranged below the driving sleeve, a piston rod of the test cylinder is fixedly connected with the upper end of the test frame, the test cylinder is connected with a controller in the workbench, a test motor is arranged in the test frame, an output shaft of the test motor extends out of the lower end of the test frame, and a test disc is fixedly connected with the output shaft of the test motor.
The utility model has the beneficial effects that: through having set up supporting component for leather can drive the lower extreme contact of test board and leather through starting the supporting cylinder when carrying out the wearability test, forms the support to the lower extreme of leather, prevents that leather from taking place the slope owing to not fine supporting component when carrying out the wearability test, has improved the detection precision of leather wearability, and the setting of first drive assembly and second drive assembly also makes things convenient for the test panel to remove, conveniently tests the different positions of leather.
Drawings
FIG. 1 is a construction diagram of the present utility model;
FIG. 2 is a top view of the present utility model;
FIG. 3 is a schematic cross-sectional view of A-A of FIG. 2;
FIG. 4 is a schematic cross-sectional view of B-B of FIG. 2;
FIG. 5 is a schematic cross-sectional view of the clamping plate movably arranged in the clamping block up and down;
reference numerals illustrate: 1. the test bench comprises a workbench, a movable frame, a support cylinder, a test board, a test groove, a clamp block, a clamp plate, a clamp groove, a guide pillar, a guide hole, a screw, a fixed plate, a clamping cylinder, a left groove, a right groove, a first sliding column, a first screw rod, a first motor, a second sliding column, a second screw rod, a second motor, a driving sleeve, a test cylinder, a test frame, a test motor and a test disc.
Detailed Description
The utility model will be further described in detail with reference to examples of embodiments shown in the drawings.
Referring to fig. 1-5, an abrasion resistance detection device for leather production in this example, including workstation 1, be equipped with on the workstation 1 and remove frame 2, remove frame 2 back and forth movement and set up on workstation 1, remove and be equipped with test assembly on the frame 2, test assembly moves about through the second actuating component and sets up on removing frame 2, both sides are equipped with preceding clamping assembly and the back clamping assembly that the structure set up around workstation 1, be equipped with the supporting component that is used for carrying out the support to leather in the workstation 1, the supporting component is located between preceding clamping assembly and the back clamping assembly, the supporting component is including fixing the support cylinder 3 that sets up in workstation 1, the piston rod fixedly connected with test board 4 of support cylinder 3, the test tank 5 has been seted up in a run-through of workstation 1 upper end, test tank 5 corresponds the setting with test board 4, and the theory of operation of the utility model is: when the wear resistance test is needed to be carried out on leather, the leather is clamped firstly, the supporting air cylinder 3 is started firstly, the testing board 4 is fixedly connected with the piston rod of the supporting air cylinder 3, after the supporting air cylinder 3 is started, the testing board 4 can be driven to descend, the testing board 4 and the upper end of the workbench 1 form a space, then the leather is placed in the space, after the leather is placed in the space, the two ends of the leather are required to be clamped, the two ends of the leather are respectively placed in the clamping grooves 8 of the front clamping assembly and the rear clamping assembly, as the clamping plate 7 is movably arranged in the clamping block 6 up and down through the cooperation of the guide post 9 and the guide hole 10, the screw 11 is arranged at the screw of the lower end of the clamping block 6, the screw end of the screw 11 is in abutting arrangement with the lower end of the clamping plate 7, after the leather is placed in the clamping groove 8, the screw 11 is screwed, the screw 11 is driven to move upwards through abutting the clamping plate 7, the leather is clamped, then the clamping cylinder 13 is started, the piston rod of the clamping cylinder 13 is fixedly connected with one side of the clamping block 6 far away from the clamping groove 8, so that the clamping block 6 can be driven to move forwards or backwards to stretch and tension the leather by starting the clamping cylinder 13, then the supporting cylinder 3 is started again after the clamping block 6 is moved to a proper position, the test board 4 is driven to move upwards to contact with the lower end of the leather, the leather is supported by the part needing to be tested, then the leather is required to be subjected to wear resistance test, the moving frame 2 is arranged on the workbench 1 front and back through the first driving component, the driving sleeve 22 is arranged in the moving frame 2 left and right through the second driving component, the lower end of the driving sleeve 22 is fixedly provided with the test cylinder 23, the piston rod of the test cylinder 23 is fixedly connected with the test frame 24, the test motor 25 is arranged in the test frame 24, the output shaft of the test motor 25 stretches out the lower extreme of the test frame 24 and fixedly connected with test disc 26 for when needs carry out the test, only need start test motor 25 drive test disc 26 rotate, then start test cylinder 23 through the controller, drive test frame 24 downstream, drive test disc 26 downstream to contact with the leather surface, can carry out friction detection to leather through the rotation of test disc 26, thereby know the wear resistance of leather through looking over the state of leather, if need drive test disc 26 about or the back-and-forth movement, only need the first motor 18 of drive first drive assembly or the second motor 21 of second drive assembly, can drive the movable frame 2 through the lead screw transmission and control or drive the drive sleeve 22 and remove about in movable frame 2, thereby control the position of test disc 26 or back-and-forth movement, through having set up supporting component, make leather when carrying out the wearability test, can be through starting supporting cylinder 3, drive test plate 4 and the lower extreme contact of leather, the lower extreme of leather forms the support to leather, prevent leather and carry out the wearability test at the wear resistance and carry out the good support assembly and the tilting of leather has not carried out the convenient setting up of the second drive assembly and has carried out the convenient to carry out the test to the second and has carried out the test to the wearability to the leather.
The utility model is further provided with: the front clamping assembly comprises a clamping block 6 and a clamping plate 7 which is vertically movably arranged in the clamping block 6, a clamping groove 8 is formed in the clamping block 6, the clamping plate 7 is located in the clamping groove 8, a guide pillar 9 is fixedly arranged at the lower end of the clamping plate 7, a guide hole 10 corresponding to the guide pillar 9 is formed in the clamping block 6, the clamping plate 7 is movably arranged in the clamping block 6 up and down through the cooperation of the guide pillar 9 and the guide hole 10, the guide hole 10 is communicated with the clamping groove 8, the guide pillar 9 and the guide hole 10 are arranged, the clamping plate 7 can be guided through the guide pillar 9 and the guide hole 10 when moving, the clamping plate 7 moves, the lower end face of the clamping plate 7 is fixedly connected with the clamping block 6 through a spring, the spring is sleeved on the guide pillar 9, the clamping plate 7 moves towards leather through the spring, when the leather is clamped, the clamping plate 7 only needs to be stretched by the spring force of the spring, the clamping plate 11 can reset through the elastic force of the spring when the leather needs to be taken out, the clamping plate 7 conveniently moves back to the clamping plate 7, the clamping plate 7 needs to be arranged at the lower end of the clamping plate 7 and the clamping plate 7 is in the position of the screw 11 through the screw 11, and the clamping plate 7 needs to be connected with the clamping plate 7 through the screw 11 and the screw 11 through the clamping plate 7, and the screw 11 is arranged at one side of the clamping plate 7 and the clamping plate 7.
The utility model is further provided with: the connecting assembly comprises a fixing plate 12 fixedly arranged at the lower end of the front side of the workbench 1, the fixing plate 12 is in an L-shaped structure, a clamping cylinder 13 is fixedly connected to a vertical plate of the fixing plate 12, a piston rod of the clamping cylinder 13 is fixedly connected with one side, far away from the clamping groove 8, of the clamping block 6, and the clamping cylinder 13 is arranged, so that when leather is clamped and needs to be stretched and tensioned, the clamping cylinder 13 is only required to be started, and the clamping block 6 can be driven to move forwards or backwards to stretch and tension the leather through starting the clamping cylinder 13, so that the leather can be stretched and tensioned conveniently.
The utility model is further provided with: the workbench 1 is provided with a left groove 14 and a right groove 15 in a penetrating mode, the left groove 14 and the right groove 15 are located on the left side and the right side of the test groove 5, one end of the movable frame 2 is located in the left groove 14, the other end of the movable frame 2 is located in the right groove 15, two ends of the movable frame 2 are connected with the left groove 14 and the right groove 15 through first driving components which are arranged in the same structure, and the movable frame 2 is convenient to move in the left groove 14 and the right groove 15 through the left groove 14 and the right groove 15.
The utility model is further provided with: the first driving assembly comprises a first sliding column 16 fixedly arranged in the left groove 14 and a first screw rod 17 rotatably arranged on the workbench 1, the movable frame 2 is arranged on the first sliding column 16 in a sliding mode through a linear bearing, the first screw rod 17 is in transmission arrangement with the movable frame 2, a first motor 18 is fixedly arranged on the workbench 1, an output shaft of the first motor 18 is fixedly connected with one end of the first screw rod 17, and the movable frame 2 is arranged on the first sliding column 16 in a sliding mode and in transmission arrangement with the first screw rod 17, and the output shaft of the first motor 18 is fixedly connected with the first screw rod 17, so that when the movable frame 2 needs to be driven to move forwards and backwards, the movable frame 2 can be driven to move forwards and backwards through screw rod transmission, and the movable frame 2 is convenient to drive the testing assembly to move forwards and backwards.
The utility model is further provided with: the second driving assembly comprises a second sliding column 19 fixedly arranged in the movable frame 2 and a second screw rod 20 rotatably arranged in the movable frame 2, a driving sleeve 22 which is sleeved on the second sliding column 19 in a left-right sliding manner is arranged on the second sliding column 19, the driving sleeve 22 is in transmission arrangement with the second screw rod 20, one end of the second screw rod 20 extends out of the movable frame 2, one side of the movable frame 2 is fixedly provided with a second motor 21, an output shaft of the second motor 21 and one end of the second screw rod 20 extending out of the movable frame 2 are fixedly connected, and the second sliding column 19, the second screw rod 20 and the second motor 21 are arranged through the driving sleeve 22 in a sliding manner, and the driving sleeve is in transmission arrangement with the second screw rod 20, and an output shaft of the second motor 21 is fixedly connected with the second screw rod 20, so that when the testing assembly is required to be driven to move left and right, the testing assembly can be driven to move left and right through the screw rod transmission, and the testing assembly can be conveniently tested at different positions.
The utility model is further provided with: the test assembly comprises a test cylinder 23 and a test frame 24 which are fixedly arranged below a driving sleeve 22, a piston rod of the test cylinder 23 is fixedly connected with the upper end of the test frame 24, the test cylinder 23 is connected with a controller in a workbench 1, the controller is a TPC4-4TD type cylinder program controller (the controller is of the prior art and is not described too much), a test motor 25 is arranged in the test frame 24, an output shaft of the test motor 25 extends out of the lower end of the test frame 24, and the output shaft of the test motor 25 is fixedly connected with a test disc 26, and when the leather is required to be subjected to wear resistance test, the test motor 25 and the test disc 26 are started, then the test cylinder 23 is started, the test disc 26 is contacted with the leather, and the leather can be subjected to friction detection through the rotation of the test disc 26, so that the wear resistance of the leather is known through the state of checking, and the requirement is that: the utility model has the essence that the existing hardware and the connection mode thereof are optimally combined (without relating to the improvement of the internal software of the hardware) aiming at specific application occasions.
The above description is merely of preferred embodiments of the present utility model, and the present utility model is not limited to the above embodiments, and any modifications, adaptations or equivalent substitutions made by those skilled in the art based on the above description fall within the scope of the present utility model.
Claims (7)
1. The utility model provides a wear resistance detection device for leather production, is including workstation (1), its characterized in that: be equipped with on workstation (1) and remove frame (2), remove frame (2) back and forth movement and set up on workstation (1), be equipped with test assembly on removing frame (2), test assembly passes through the second drive assembly and moves about and set up on removing frame (2), both sides are equipped with preceding clamping assembly and the back clamping assembly that structural symmetry set up around workstation (1), be equipped with the supporting component who is used for carrying out the support to leather in workstation (1), supporting component is located before clamping assembly and back clamping assembly between, supporting component is including fixed support cylinder (3) that set up in workstation (1), the piston rod fixedly connected with test board (4) of support cylinder (3), test tank (5) have been seted up in link up to workstation (1) upper end, test tank (5) correspond the setting with test board (4).
2. The wear resistance detection device for leather production according to claim 1, wherein: the front clamping assembly comprises a clamping block (6) and a clamping plate (7) which is movably arranged in the clamping block (6) up and down, wherein a clamping groove (8) is formed in the clamping block (6), the clamping plate (7) is located in the clamping groove (8), a guide pillar (9) is fixedly arranged at the lower end of the clamping plate (7), a guide hole (10) corresponding to the guide pillar (9) is formed in the clamping block (6), the clamping plate (7) is movably arranged in the clamping block (6) up and down through the cooperation of the guide pillar (9) and the guide hole (10), the guide hole (10) is communicated with the clamping groove (8), the lower end face of the clamping plate (7) is fixedly connected with the clamping block (6) through a spring, the spring is sleeved on the guide pillar (9), a screw (11) is arranged at the lower end of the clamping block (6), the screw end of the screw (11) is located at one side of the guide pillar (9), and the screw end of the screw (11) is in contact with the lower end of the clamping block (7), and the clamping block (6) is connected with the workbench (1) through the connecting assembly.
3. The wear resistance detection device for leather production according to claim 2, wherein: the connecting assembly comprises a fixing plate (12) fixedly arranged at the lower end of the front side of the workbench (1), the fixing plate (12) is in an L-shaped structure, a clamping cylinder (13) is fixedly connected to a vertical plate of the fixing plate (12), and a piston rod of the clamping cylinder (13) is fixedly connected with one side, far away from the clamping groove (8), of the clamping block (6).
4. A wear resistance detection device for leather production according to claim 3, wherein: the workbench (1) is provided with a left groove (14) and a right groove (15) in a penetrating mode, the left groove (14) and the right groove (15) are located on the left side and the right side of the test groove (5), one end of the movable frame (2) is located in the left groove (14), the other end of the movable frame (2) is located in the right groove (15), and two ends of the movable frame (2) are connected with the left groove (14) and the right groove (15) through first driving components with the same structure.
5. The wear resistance detection device for leather production according to claim 4, wherein: the first driving assembly comprises a first sliding column (16) fixedly arranged in a left groove (14) and a first screw rod (17) rotatably arranged on the workbench (1), the movable frame (2) is arranged on the first sliding column (16) in a sliding mode through a linear bearing, the first screw rod (17) and the movable frame (2) are in transmission arrangement, a first motor (18) is fixedly arranged on the workbench (1), and an output shaft of the first motor (18) is fixedly connected with one end of the first screw rod (17).
6. The wear resistance detection device for leather production according to claim 5, wherein: the second driving assembly comprises a second sliding column (19) fixedly arranged in the movable frame (2) and a second screw rod (20) rotatably arranged in the movable frame (2), a driving sleeve (22) sleeved on the second sliding column (19) in a left-right sliding manner is arranged on the second sliding column (19), the driving sleeve (22) is in transmission arrangement with the second screw rod (20), one end of the second screw rod (20) extends out of the movable frame (2) to be arranged, one side of the movable frame (2) is fixedly provided with a second motor (21), and an output shaft of the second motor (21) is fixedly connected with one end of the second screw rod (20) extending out of the movable frame (2).
7. The wear resistance detection device for leather production according to claim 6, wherein: the testing assembly comprises a testing cylinder (23) and a testing frame (24) which are fixedly arranged below a driving sleeve (22), a piston rod of the testing cylinder (23) is fixedly connected with the upper end of the testing frame (24), the testing cylinder (23) is connected with a controller in a workbench (1), a testing motor (25) is arranged in the testing frame (24), an output shaft of the testing motor (25) extends out of the lower end of the testing frame (24) and is fixedly connected with a testing disc (26).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320078473.8U CN219245194U (en) | 2023-01-10 | 2023-01-10 | Wear resistance detection device for leather production |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202320078473.8U CN219245194U (en) | 2023-01-10 | 2023-01-10 | Wear resistance detection device for leather production |
Publications (1)
Publication Number | Publication Date |
---|---|
CN219245194U true CN219245194U (en) | 2023-06-23 |
Family
ID=86806011
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202320078473.8U Active CN219245194U (en) | 2023-01-10 | 2023-01-10 | Wear resistance detection device for leather production |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN219245194U (en) |
-
2023
- 2023-01-10 CN CN202320078473.8U patent/CN219245194U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
PT103034A (en) | UNIVERSAL MACHINE FOR MULTIAXIAL TESTS | |
CN113533040A (en) | Extrusion deformation recovery performance detection device for rubber sealing element production | |
CN116202873A (en) | Tensile strength detection device for polyurethane foam plastics | |
CN217717378U (en) | Friction wear testing device | |
CN219245194U (en) | Wear resistance detection device for leather production | |
GB2585436A (en) | Cylindrical concrete specimen splitting device and splitting method | |
CN219657352U (en) | Wire end clamping device for testing pulling strength of steel strand | |
CN219915253U (en) | Cloth wear resistance test equipment | |
CN208872610U (en) | A kind of changing load shock peening experiment loading equipemtn | |
CN212871954U (en) | Friction colour fastness instrument | |
US3831438A (en) | Apparatus for testing the bending strength of elastic materials | |
CN209230935U (en) | A kind of pedal test machine | |
CN219807971U (en) | Leather stretching and leveling device for leather product production | |
CN117233014A (en) | Friction and wear testing device | |
CN205580895U (en) | Hot melt film tensile properties test bench | |
CN219573820U (en) | Building material wearability experimental tool for building engineering | |
CN202133594U (en) | Novel shearing, flexing and rubbing resistance testing machine for rubber coated fabric | |
CN212459128U (en) | Reciprocating type abrasion tester | |
CN208383637U (en) | Elevator gate guide shoe wear test device | |
CN221956128U (en) | Leveling device for leather production | |
JPH02126135A (en) | Test equipment for fatigue of viscoelastic body | |
GB2310502A (en) | Materials Testing Apparatus | |
CN214096987U (en) | MAESER leather dynamic waterproof testing machine | |
CN212621899U (en) | Auxiliary device for universal testing machine | |
CN219870742U (en) | Material tensile testing machine convenient to position for engineering detection |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |